A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One third of the electricity produced on earth is used to power electric light bulbs!
75
Nearly 50% of the world's scientists are assigned to military projects.
71
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79